SystemConfiguration.fproj/SCDTouch.c

   1 /*
   2  * Copyright (c) 2000-2003 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25
  26 /*
  27  * Modification History
  28  *
  29  * June 1, 2001                 Allan Nathanson <ajn@apple.com>
  30  * - public API conversion
  31  *
  32  * June 20, 2000                Allan Nathanson <ajn@apple.com>
  33  * - initial revision
  34  */
  35
  36 #include <mach/mach.h>
  37 #include <mach/mach_error.h>
  38
  39 #include <SystemConfiguration/SystemConfiguration.h>
  40 #include <SystemConfiguration/SCPrivate.h>
  41 #include "SCDynamicStoreInternal.h"
  42 #include "config.h"             /* MiG generated file */
  43
  44 Boolean
  45 SCDynamicStoreTouchValue(SCDynamicStoreRef store, CFStringRef key)
  46 {
  47         SCDynamicStorePrivateRef        storePrivate = (SCDynamicStorePrivateRef)store;
  48         kern_return_t                   status;
  49         CFDataRef                       utfKey;         /* serialized key */
  50         xmlData_t                       myKeyRef;
  51         CFIndex                         myKeyLen;
  52         int                             sc_status;
  53
  54         if (_sc_verbose) {
  55                 SCLog(TRUE, LOG_DEBUG, CFSTR("SCDynamicStoreTouchValue:"));
  56                 SCLog(TRUE, LOG_DEBUG, CFSTR("  key = %@"), key);
  57         }
  58
  59         if (!store) {
  60                 /* sorry, you must provide a session */
  61                 _SCErrorSet(kSCStatusNoStoreSession);
  62                 return FALSE;
  63         }
  64
  65         if (storePrivate->server == MACH_PORT_NULL) {
  66                 /* sorry, you must have an open session to play */
  67                 _SCErrorSet(kSCStatusNoStoreServer);
  68                 return FALSE;
  69         }
  70
  71         /* serialize the key */
  72         if (!_SCSerializeString(key, &utfKey, (void **)&myKeyRef, &myKeyLen)) {
  73                 _SCErrorSet(kSCStatusFailed);
  74                 return FALSE;
  75         }
  76
  77         /* send the key to the server */
  78         status = configtouch(storePrivate->server,
  79                              myKeyRef,
  80                              myKeyLen,
  81                              (int *)&sc_status);
  82
  83         /* clean up */
  84         CFRelease(utfKey);
  85
  86         if (status != KERN_SUCCESS) {
  87                 if (status != MACH_SEND_INVALID_DEST)
  88                         SCLog(_sc_verbose, LOG_DEBUG, CFSTR("configtouch(): %s"), mach_error_string(status));
  89                 (void) mach_port_destroy(mach_task_self(), storePrivate->server);
  90                 storePrivate->server = MACH_PORT_NULL;
  91                 _SCErrorSet(status);
  92                 return FALSE;
  93         }
  94
  95         if (sc_status != kSCStatusOK) {
  96                 _SCErrorSet(sc_status);
  97                 return FALSE;
  98         }
  99
 100         return TRUE;
 101 }